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Insect Morphology and SystematicsCLASSIFICATION OF CLASS INSECTA UPTO ORDERSInsect Morphology and SystematicsCLASSIFICATION OF CLASS INSECTA UPTO ORDERS
Insect is a six legged arthropod. Taxonomist
A.D. Imms
proposed a classification of
insect.
Phylum :
Arthropoda (with several classes)
Class:
Insecta (Hexapoda)
Characters of class Insecta
1.
Body is divided into three regions
2.
In head a pair of antenna and a pair of compound eyes are usually present.
3.
Thorax is the centre of locomotion with, 3 pairs of five jointed legs and two pairs of wings.
4.
Excretion is mainly through malpighian tubules.
5.
Tracheal system of respiration well developed.
6.
Brain is divided into protocerebrum, deutocerebrum and tritocerebrum.
The class Insecta has
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